content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------------------
   * CombinedDomainCategoryPlotTests.java
   * ------------------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 19-Aug-2003 : Version 1 (DG);
   * 03-Jan-2008 : Added testNotification() (DG);
   *
   */
  
  package org.jfree.chart.plot;
  
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.axis.CategoryAxis;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.event.ChartChangeEvent;
  import org.jfree.chart.event.ChartChangeListener;
  import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
  import org.jfree.chart.renderer.category.BarRenderer;
  import org.jfree.chart.renderer.category.LineAndShapeRenderer;
  import org.jfree.data.category.CategoryDataset;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.junit.jupiter.api.Test;
  
  import java.awt.Graphics2D;
  import java.awt.geom.Rectangle2D;
  import java.awt.image.BufferedImage;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for the {@link CombinedDomainCategoryPlot} class.
   */
  public class CombinedDomainCategoryPlotTest
          implements ChartChangeListener {
  
      /** A list of the events received. */
      private List<ChartChangeEvent> events = new java.util.ArrayList<ChartChangeEvent>();
  
      /**
       * Receives a chart change event.
       *
       * @param event  the event.
       */
      @Override
      public void chartChanged(ChartChangeEvent event) {
          this.events.add(event);
      }
  
  
      /**
       * This is a test to replicate the bug report 987080.
       */
      @Test
      public void testRemoveSubplot() {
          CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot();
          CategoryPlot plot1 = new CategoryPlot();
          CategoryPlot plot2 = new CategoryPlot();
          plot.add(plot1);
          plot.add(plot2);
          // remove plot2, but plot1 is removed instead
          plot.remove(plot2);
          List plots = plot.getSubplots();
          assertSame(plots.get(0), plot1);
          assertEquals(1, plots.size());
      }
  
      /**
       * Some checks for the equals() method.
       */
      @Test
      public void testEquals() {
          CombinedDomainCategoryPlot plot1 = createPlot();
          CombinedDomainCategoryPlot plot2 = createPlot();
          assertEquals(plot1, plot2);
      }
  
      /**
       * Some checks for cloning.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          CombinedDomainCategoryPlot plot1 = createPlot();
          CombinedDomainCategoryPlot plot2 = (CombinedDomainCategoryPlot) plot1.clone();
          assertNotSame(plot1, plot2);
          assertSame(plot1.getClass(), plot2.getClass());
          assertEquals(plot1, plot2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          CombinedDomainCategoryPlot plot1 = createPlot();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(plot1);
              out.close();
              ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                      buffer.toByteArray()));
              CombinedDomainCategoryPlot plot2 = (CombinedDomainCategoryPlot) in.readObject();
              in.close();
  
  
          assertEquals(plot1, plot2);
      }
  
      /**
       * Check that only one chart change event is generated by a change to a
       * subplot.
       */
      @Test
      public void testNotification() {
          CombinedDomainCategoryPlot plot = createPlot();
          JFreeChart chart = new JFreeChart(plot);
          chart.addChangeListener(this);
          CategoryPlot subplot1 = plot.getSubplots().get(0);
          NumberAxis yAxis = (NumberAxis) subplot1.getRangeAxis();
          yAxis.setAutoRangeIncludesZero(!yAxis.getAutoRangeIncludesZero());
          assertEquals(1, this.events.size());
  
          // a redraw should NOT trigger another change event
          BufferedImage image = new BufferedImage(200, 100,
                  BufferedImage.TYPE_INT_RGB);
          Graphics2D g2 = image.createGraphics();
          this.events.clear();
          chart.draw(g2, new Rectangle2D.Double(0.0, 0.0, 200.0, 100.0));
          assertTrue(this.events.isEmpty());
      }
  
      /**
       * Creates a dataset.
       *
       * @return A dataset.
       */
      public CategoryDataset createDataset1() {
  
          DefaultCategoryDataset result = new DefaultCategoryDataset();
  
          // row keys...
          String series1 = "First";
          String series2 = "Second";
  
          // column keys...
          String type1 = "Type 1";
          String type2 = "Type 2";
          String type3 = "Type 3";
          String type4 = "Type 4";
          String type5 = "Type 5";
          String type6 = "Type 6";
          String type7 = "Type 7";
          String type8 = "Type 8";
  
          result.addValue(1.0, series1, type1);
          result.addValue(4.0, series1, type2);
          result.addValue(3.0, series1, type3);
          result.addValue(5.0, series1, type4);
          result.addValue(5.0, series1, type5);
          result.addValue(7.0, series1, type6);
          result.addValue(7.0, series1, type7);
          result.addValue(8.0, series1, type8);
  
          result.addValue(5.0, series2, type1);
          result.addValue(7.0, series2, type2);
          result.addValue(6.0, series2, type3);
          result.addValue(8.0, series2, type4);
          result.addValue(4.0, series2, type5);
          result.addValue(4.0, series2, type6);
          result.addValue(2.0, series2, type7);
          result.addValue(1.0, series2, type8);
  
          return result;
  
      }
  
      /**
       * Creates a dataset.
       *
       * @return A dataset.
       */
      public CategoryDataset createDataset2() {
  
          DefaultCategoryDataset result = new DefaultCategoryDataset();
  
          // row keys...
          String series1 = "Third";
          String series2 = "Fourth";
  
          // column keys...
          String type1 = "Type 1";
          String type2 = "Type 2";
          String type3 = "Type 3";
          String type4 = "Type 4";
          String type5 = "Type 5";
          String type6 = "Type 6";
          String type7 = "Type 7";
          String type8 = "Type 8";
  
          result.addValue(11.0, series1, type1);
          result.addValue(14.0, series1, type2);
          result.addValue(13.0, series1, type3);
          result.addValue(15.0, series1, type4);
          result.addValue(15.0, series1, type5);
          result.addValue(17.0, series1, type6);
          result.addValue(17.0, series1, type7);
          result.addValue(18.0, series1, type8);
  
          result.addValue(15.0, series2, type1);
          result.addValue(17.0, series2, type2);
          result.addValue(16.0, series2, type3);
          result.addValue(18.0, series2, type4);
          result.addValue(14.0, series2, type5);
          result.addValue(14.0, series2, type6);
          result.addValue(12.0, series2, type7);
          result.addValue(11.0, series2, type8);
  
          return result;
  
      }
  
      /**
       * Creates a sample plot.
       *
       * @return A sample plot.
       */
      private CombinedDomainCategoryPlot createPlot() {
  
          CategoryDataset dataset1 = createDataset1();
          NumberAxis rangeAxis1 = new NumberAxis("Value");
          rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
          LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
          renderer1.setDefaultToolTipGenerator(
              new StandardCategoryToolTipGenerator()
          );
          CategoryPlot subplot1 = new CategoryPlot(
              dataset1, null, rangeAxis1, renderer1
          );
          subplot1.setDomainGridlinesVisible(true);
  
          CategoryDataset dataset2 = createDataset2();
          NumberAxis rangeAxis2 = new NumberAxis("Value");
          rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
          BarRenderer renderer2 = new BarRenderer();
          renderer2.setDefaultToolTipGenerator(
              new StandardCategoryToolTipGenerator()
          );
          CategoryPlot subplot2 = new CategoryPlot(
              dataset2, null, rangeAxis2, renderer2
          );
          subplot2.setDomainGridlinesVisible(true);
  
          CategoryAxis domainAxis = new CategoryAxis("Category");
          CombinedDomainCategoryPlot plot
              = new CombinedDomainCategoryPlot(domainAxis);
          plot.add(subplot1, 2);
          plot.add(subplot2, 1);
          return plot;
  
      }
  
  }
  